This Gear is a Genuine KitchenAid Manufactured Spare Part. Which is generally caused by mixing a 'heavy load'. but the motor is still running, then gear has broken. The gear will fit the following models.
Kitchenaid Stand Mixer 6QT Worm Gear Follower 9706529 Factory Sealed Spare
KITCHENAID STAND MIXER ARMATURE & MOTOR FIELD COIL ASSEMBLY 220-240V
KITCHENAID Stand Mixer Gear Worm Pinion Bracket Drive 240309-2 3K5 5KSM 5KPM KSM
Kitchenaid Worm Pinion Gear Bracket 240309-2 & 130G of Grease Repair Kit 16
Kitchenaid Stand Mixer Worm Gear 6QT 9709231 & Gear Follower 9706529. Genuine.
Kitchenaid Stand Mixer Worm Drive Gear & 130g Tub Of Food Grade Grease. Genuine